/**
 * Software License, Version 1.0
 * 
 * Copyright 2003 The Trustees of Indiana University.  All rights reserved.
 * 
 *
 *Redistribution and use in source and binary forms, with or without 
 *modification, are permitted provided that the following conditions are met:
 *
 *1) All redistributions of source code must retain the above copyright notice,
 * the list of authors in the original source code, this list of conditions and
 * the disclaimer listed in this license;
 *2) All redistributions in binary form must reproduce the above copyright 
 * notice, this list of conditions and the disclaimer listed in this license in
 * the documentation and/or other materials provided with the distribution;
 *3) Any documentation included with all redistributions must include the 
 * following acknowledgement:
 *
 *"This product includes software developed by the Community Grids Lab. For 
 * further information contact the Community Grids Lab at 
 * http://communitygrids.iu.edu/."
 *
 * Alternatively, this acknowledgement may appear in the software itself, and 
 * wherever such third-party acknowledgments normally appear.
 * 
 *4) The name Indiana University or Community Grids Lab or NaradaBrokering, 
 * shall not be used to endorse or promote products derived from this software 
 * without prior written permission from Indiana University.  For written 
 * permission, please contact the Advanced Research and Technology Institute 
 * ("ARTI") at 351 West 10th Street, Indianapolis, Indiana 46202.
 *5) Products derived from this software may not be called NaradaBrokering, 
 * nor may Indiana University or Community Grids Lab or NaradaBrokering appear
 * in their name, without prior written permission of ARTI.
 * 
 *
 * Indiana University provides no reassurances that the source code provided 
 * does not infringe the patent or any other intellectual property rights of 
 * any other entity.  Indiana University disclaims any liability to any 
 * recipient for claims brought by any other entity based on infringement of 
 * intellectual property rights or otherwise.  
 *
 *LICENSEE UNDERSTANDS THAT SOFTWARE IS PROVIDED "AS IS" FOR WHICH NO 
 *WARRANTIES AS TO CAPABILITIES OR ACCURACY ARE MADE. INDIANA UNIVERSITY GIVES
 *NO WARRANTIES AND MAKES NO REPRESENTATION THAT SOFTWARE IS FREE OF 
 *INFRINGEMENT OF THIRD PARTY PATENT, COPYRIGHT, OR OTHER PROPRIETARY RIGHTS. 
 *INDIANA UNIVERSITY MAKES NO WARRANTIES THAT SOFTWARE IS FREE FROM "BUGS", 
 *"VIRUSES", "TROJAN HORSES", "TRAP DOORS", "WORMS", OR OTHER HARMFUL CODE.  
 *LICENSEE ASSUMES THE ENTIRE RISK AS TO THE PERFORMANCE OF SOFTWARE AND/OR 
 *ASSOCIATED MATERIALS, AND TO THE PERFORMANCE AND VALIDITY OF INFORMATION 
 *GENERATED USING SOFTWARE.
 */
package cgl.narada.util.proxy;

/**
 * Proxy detection is done on every instantiation.
 *
 * The required WinProxyDetection.dll is developed by James Poelke under contract
 * to Indiana University.
 *
 * @author  John Yin
 * @version 1.0
 */

public class WinProxyDetection {

    public static final byte PROXY_TYPE_DIRECT = 0x1;
    public static final byte PROXY_TYPE_MANUAL = 0x2;
    public static final byte PROXY_TYPE_AUTO_PROXY_URL = 0x4;
    public static final byte PROXY_TYPE_AUTO_DETECT    = 0x8;

    private byte   m_proxyType = -1;

    /**
     * --------------------------------------------------------------
     * @param type One of PROXY_TYPE_XXXXXX
     * @return true if this option is enabled.
     */
    public boolean isEnabled(byte type) {
        if (m_proxyType == -1) {
            m_proxyType = (byte)DetectProxySettings();
        }
        return ((m_proxyType & type) > 0);
    }

    /**
     * ---------------------------------------------------------------------
     *  @return An OR of <br>
     *  <UL>
     *	PROXY_TYPE_DIRECT		= 0x01 [ This is always on ]<br>
     *  PROXY_TYPE_PROXY		= 0x02<br>
     *	PROXY_TYPE_AUTO_PROXY_URL	= 0x04<br>
     *	PROXY_TYPE_AUTO_DETECT		= 0x08<br>
     *  </UL>
     */
    public native int DetectProxySettings();
    public native String GetProxyServer();
    public native String GetProxyURL();
    public native String GetProxyBypass();
    public native String GetHostName();
    public native String GetDomainWorkgroupName();

    static {
        System.loadLibrary("WinProxyDetection");
    }
}